Set in contemporary America's heartland, Rain tells a story of murder, sex and redemption set against the backdrop of a dead-end town suffering a severe drought. Patsy, the Sheriff's wife, is having an affair with Paul, another woman's husband. The Sheriff's adopted teenage son is having an affair with Paul's wife, Ellen, a woman with whom the Sheriff once had an affair himself. As the summer gets hotter and the rain fails to arrive, the fields, the buildings and everyone's private lives are ready to burst into flame.